CVE-2022-49859
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49859
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49859.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49859
- Related
- Published
- 2025-05-01T15:16:09Z
- Modified
- 2025-05-02T13:52:51Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
net: lapbether: fix issue of invalid opcode in lapbeth_open()
If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device goes to up for the second time.
The stack info is as follows: [ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442! [ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 1958.315979][T11356] RIP: 0010:napienable+0x16a/0x1f0 [ 1958.332310][T11356] Call Trace: [ 1958.332817][T11356] <TASK> [ 1958.336135][T11356] lapbethopen+0x18/0x90 [ 1958.337446][T11356] _devopen+0x258/0x490 [ 1958.341672][T11356] _devchangeflags+0x4d4/0x6a0 [ 1958.345325][T11356] devchangeflags+0x93/0x160 [ 1958.346027][T11356] devinetioctl+0x1276/0x1bf0 [ 1958.346738][T11356] inetioctl+0x1c8/0x2d0 [ 1958.349638][T11356] sockioctl+0x5d1/0x750 [ 1958.356059][T11356] _x64sysioctl+0x3ec/0x1790 [ 1958.365594][T11356] dosyscall64+0x35/0x80 [ 1958.366239][T11356] entrySYSCALL64after_hwframe+0x46/0xb0 [ 1958.377381][T11356] </TASK>
- References
Affected packages
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source